Sawing machine



May 15, 1923. 1,454,901 N. D. MCARTHUR .SAWING MACHINE Filed Jan. 24. 1922 3 Sheets-Sheet 1 atto: nu,

May l5, 1923. 1,454,901

N. D. MCARTHUR sAwING MACHINE:

Filed Jan. 24, 1922 l5 Sheets-Sheet 2 May l5, 1923.

N. DMCARTHUR sAwING MACHINE Filed Jann. 24.

1922 3 Sheets--Sheef'I 3 atl-Sor neg :rnd

the horizontallyT disposed bars 46, which bars maintain the arms in proper spaced relation with each other. The saw shaft 42 is supported by means of the pivoted arms 47, which arms 47 have connection with the angularly disposed arms 48, that also have connection pivotally with the auxiliary support 44, as at 49. Thus it Will be seen that as the auxiliary support 44 is moved With respect to the frame 75, the position of they saw 43 is also moved or changed to adapt the saw tor use in sawing ioors or surfaces of various'thicknesses. g

Bolted to the rear of .the frame is an upright castingv 50 which supports the threaded bearingmember 52 `which is piv-V oted to tilt about a horizontal axis. `Oper ating` through the threaded bearingv 52 isa threaded adjusting rod 53 which is formed' with a handle 54 at'one end to be gripped' by the operator to accomplish the rotation of the threaded `rod 53. f I

One end of the threaded rod 53 is posi? tioned in the bracket 55 'which is bolted to the under surface of the 'auxiliary support 44, adjusting nuts v'56 being positioned onV the free end of the rodv 53 to secure the 'rod 'to l the bracket 55;

nected to the supports to permit movement off the auxiliary support with respect to thel Wheeled support, pivoted'arms'having connection with the Wheeled support and carry` ingbearings at their outer ends, angularly disposed arms having connection With tho pivoted arms and having their upperen'ds connected tothe auxiliary support, a bracket secured to the under' sideuof the auxiliary support, a threaded adjusting rodhaving its free end supported Within the bracket,4 said adjusting rod adapted to move the auxiliary support to adjust thepivoted arms, a rotary saw mounted in the bearings of the pivoted arms, and means on the auxiliary support for imparting rotary movement to the saw.

Intestimony that I claim the foregoingA as'my oivn, I have hereto affixed my signature in fthe 'presence of two Witnesses.

j Vmaint D. Meaafrnun,

lNitnesses: I Y i' f i -E.*B. VVooD. f l xL. B, CABANISS. 

